Overview

overview

10

Static

static

8

doc_pack-2...93.xls

windows7_x64

10

doc_pack-2...93.xls

windows10_x64

6

Analysis

  • max time kernel
    78s
  • max time network
    140s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    20/10/2020, 22:01

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General

  • Target
    doc_pack-2127697293.xls
  • Size 62KB
  • Sample201020-letajjbdxe
  • SHA256 a1a6f0e4a4082b343dc00ef5ffa6846ef0edc90e45800ba9a50d8da037507ed3
  • MD5 SHA1 SHA512
Score
6/10

Malware Config

Signatures

  • Process spawned suspicious child process 1 IoCs

    This child process is typically not spawned unless (for example) the parent process crashes. This typically indicates the parent process was unsuccessfully compromised.

  • Checks processor information in registry 2 TTPs 3 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE
    "C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Users\Admin\AppData\Local\Temp\doc_pack-2127697293.xls"
    1⤵
    • Checks processor information in registry
    • Enumerates system info in registry
    • Suspicious behavior: AddClipboardFormatListener
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:3740
    • C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE
      "C:\Program Files\Microsoft Office\root\vfs\ProgramFilesCommonX64\Microsoft Shared\DW\DW20.EXE" -x -s 4608
      2⤵
      • Process spawned suspicious child process
      • Suspicious use of WriteProcessMemory
      PID:3504
      • C:\Windows\system32\dwwin.exe
        C:\Windows\system32\dwwin.exe -x -s 4608
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:4036

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3740-0-0x00007FFA6F0E0000-0x00007FFA6F7A6000-memory.dmp
        Download

        memory/4036-6-0x0000023E8F6F0000-0x0000023E8F6F1000-memory.dmp
        Download

        memory/4036-7-0x0000023E8F6F0000-0x0000023E8F6F1000-memory.dmp
        Download

        memory/4036-9-0x0000023E8FCE0000-0x0000023E8FCE1000-memory.dmp
        Download

        memory/4036-12-0x0000023E8FF60000-0x0000023E8FF61000-memory.dmp
        Download

        memory/4036-13-0x0000023E8FF60000-0x0000023E8FF61000-memory.dmp
        Download

        memory/4036-18-0x0000023E8FF60000-0x0000023E8FF61000-memory.dmp
        Download